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Fossil Fern Mazon Creek, Illinois

Fossil Fern - Mazon Creek - From 1 1/2" to 3"Mazon Creek, IL Fossil Fern. These are nodules that are split open, revealing fully formed ferns. The Mazon Creek fossils are found in the Mazon Creek, a tributary of the Illinois River near Morris, Grundy County, Illinois. These fern grew during the Pennsylvania age, some 300 million years ago. At that time the area was a delta with a tropical climate, as it was then within 10° north latitude of the equator.

Because the fern leaves were rapidly buried by the sediment deposited in the deltaic system, they have retained their leaf structure. Bacterial decomposition of the remains produced carbon dioxide that combined with dissolved iron from the groundwater. This process formed siderite in the sediments surrounding the remains, forming detailed casts of their structure. Lithification of the sediments formed protective nodules of ironstone around the now fossilized remains. The ironstone concretions are recovered from exposures along streams, roadcuts and in active or abandoned coal mine areas. Once found in ample quantities, the concretions are now more difficult to locate.

Energetically, these are very useful natural healing tools. There is a positive and a negative side which is excellent to place around an injury spot (such as an arm or finger) or an impacted energy spot to clear the energy and get it flowing again.

Check out all of Crystal Life‘s Mazon Creek, IL Fossil Fern products here!

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Click for hours and COVID safety details. Order pickup at the store is free!

Our website is always open. You can order online or by phone (during store hours) and request storefront pickup. Contact us to schedule a facetime shopping service if you wish to shop from home (available during store hours). There is a $15 fee for this 15 minute service; the fee is waived for orders over $50.  You can also always purchase an online Gift Certificate.

Our Geneva storefront details:

Hours: M-Sat 10am -5pm, Sun 11am – 5pm

To comply with Illinois mandates, masks are required and we provide hand sanitizer at the door. There is a limit of six guests in the store at any time; If we are full we will ask you to sign up on our wait list and wait outside. We are asking folks limit their shopping time to 30 minutes so that more people have a chance to get that special stone that they need!

Our staff is doing everything we can to keep our store safe and clean. We clean throughout the day and spend an hour every day after close disinfecting using various methods. If you have any questions or concerns, please do not hesitate to contact us.